Finding the Third Proportional to 926,878.50 and 1,403,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   926,878.50 : 1,403,389.50 = 1,403,389.50 : x
2. Step 2: Convert to fraction form
   926,878.50/1,403,389.50 = 1,403,389.50/x
3. Step 3: Cross multiply
   926,878.50x = 1,403,389.50 × 1,403,389.50
4. Step 4: Simplify right side
   926,878.50x = 1,969,502,088,710.25
5. Step 5: Solve for x
   x = 1,969,502,088,710.25/926,878.50
6. Step 6: Final answer
   x = 2,124,876.23